Introduction, by J. F. Springer.--Methods of testing the hardness of metals.--The Brinell method of testing the hardness of metals, by E. Oberg.--Machines for testing the hardness of metals by the Brinell method.--The Shore scleroscope, by A. F. Shore and J. F. Springer.--The Ballentine hardness testing device.--The Derihon method for testing the durability of metals
Copyright-evidenceEvidence reported by ian white for item testinghardnessd00newyrich on February 2, 2007: visible notice of copyright; stated date is 1916.